Docs: improve comments, error checking and defaults

src/UI/InputElement/Validators/VeloparkValidator.ts

@@ -0,0 +1,37 @@
+import { Translation } from "../../i18n/Translation"
+import UrlValidator from "./UrlValidator"
+
+export default class VeloparkValidator extends UrlValidator {
+    constructor() {
+        super("velopark", "A custom element to allow copy-pasting velopark-pages")
+    }
+
+    getFeedback(s: string): Translation {
+        const superF = super.getFeedback(s)
+        if (superF) {
+            return superF
+        }
+        const url = new URL(s)
+        if (url.hostname !== "velopark.be" && url.hostname !== "www.velopark.be" && url.hostname !== "data.velopark.be") {
+            return new Translation({ "*": "Invalid hostname, expected velopark.be" })
+        }
+
+        if(!s.startsWith("https://data.velopark.be/data/") && !s.startsWith("https://www.velopark.be/static/data/")){
+            return new Translation({"*":"A valid URL should either start with https://data.velopark.be/data/ or https://www.velopark.be/static/data/"})
+        }
+
+    }
+
+    public isValid(str: string) {
+        return super.isValid(str)
+    }
+
+    reformat(str: string): string {
+        const url = new URL(super.reformat(str))
+        if(url.pathname.startsWith("/static/data/")){
+            const id = str.substring(str.lastIndexOf("/")+1)
+            return "https://data.velopark.be/data/"+id
+        }
+        return super.reformat(str)
+    }
+}